Question
Question: Sample annual salaries (in thousand of dollars) Sample annual salaries (in thousand of dollars) for employees at a company are listed. 51,41,56,48,31,31,51,41,56,27,48,51,43 (a) Find
Question: Sample annual salaries (in thousand of dollars)
Sample annual salaries (in thousand of dollars) for employees at a company are listed. 51,41,56,48,31,31,51,41,56,27,48,51,43
(a) Find the sample mean and sample standard deviation.
(b) Each employee in the sample is given a 5?% raise. Find the sample mean and sample standard deviation for the revised data set.
?(c) To calculate the monthly? salary, divide each original salary by 12. Find the sample mean and sample standard deviation for the revised data set. ?
(d) What can you conclude from the results of? (a), (b), and? (c)?
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